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Loose filter media like bio balls or ceramic rings scattered directly in a canister or sump makes cleaning and swapping media a mess. Dymax Coarse Filter Media Bag keeps loose media contained and easy to remove, in a coarse mesh sized for larger media pieces. Best for: Containing larger filter media like bio balls or ceramic rings, in smaller filter compartments. SKU: DM-MBC-S
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🇺🇸 Ship from USA · On Agora since 2026
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